Experience the gripping journey of Marine recruits in San Diego as they undergo a demanding 13-week basic training program. Chief video correspondent Graham Flanagan provides a unique look into the regimen at the Marine Corps Recruit Training Depot. The video captures the lives of recruits from various companies and stages of training, highlighting the challenges they face. The story culminates with The Crucible, a grueling 54-hour test of resilience that transforms recruits into Marines upon completion.